Update cheatsheets

exenv

@@ -0,0 +1,29 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# exenv
+
+> Easily install Elixir versions and manage application environments.
+> More information: <https://github.com/mururu/exenv>.
+
+- Display a list of installed versions:
+
+`exenv versions`
+
+- Use a specific version of Elixir across the whole system:
+
+`exenv global {{version}}`
+
+- Use a specific version of Elixir for the current application/project directory:
+
+`exenv local {{version}}`
+
+- Show the currently selected Elixir version:
+
+`exenv {{version}}`
+
+- Install a version of Elixir (requires `elixir-build` plugin <https://github.com/mururu/elixir-build>):
+
+`exenv install {{version}}`